SEA - YYT

C$ 263 Find Cheap Flights from Seattle to St. John's – Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
C$ 669
Typical prices: C$ 768-C$ 1,251
WestJet
Wed 10/10Wed 17/10
SEA - YYT • 2 stops
Cheapest one-way flights
C$ 263
Typical prices: C$ 418-C$ 1,088
WestJet
Wed 10/10
SEA - YYT • 2 stops
Direct flights
Not available
There are currently no direct flights between Seattle and St. John's. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
January
Cheapest • 56% price drop
August
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Calgary (YYC)
Cheapest • Avg C$ 951 (round-trip)
Toronto Pearson Intl (YYZ)
Shortest trip • 11h 23m (one-way)
Insights
Insights
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you enjoy your trip to St. John's!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Seattle to St. John's (SEA-YYT)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Seattle to St. John's

Sat, 10 Oct - Sat, 17 Oct
WestJet Logo
10:30 a.m. - 10:55 p.m.SEA  Seattle/Tacoma Intl-YYT St John's
31h 55m2 stops Calgary Toronto Pearson Intl
WestJet Logo
3:00 p.m. - 6:45 p.m.YYT  St John's-SEA Seattle/Tacoma Intl
32h 15m2 stops Toronto Pearson Intl Calgary
C$ 669WestJet
Sat, 10 Oct - Sat, 17 Oct
WestJet Logo
10:30 a.m. - 10:55 p.m.SEA  Seattle/Tacoma Intl-YYT St John's
31h 55m2 stops Calgary Toronto Pearson Intl
WestJet Logo
3:00 p.m. - 9:40 a.m.YYT  St John's-SEA Seattle/Tacoma Intl
23h 10m3 stops Toronto Pearson Intl Winnipeg Calgary
C$ 704WestJet
Thu, 15 Oct - Sat, 24 Oct
Multiple Airlines Logo
10:30 a.m. - 10:55 p.m.SEA  Seattle/Tacoma Intl-YYT St John's
31h 55m2 stops Calgary Toronto Pearson Intl
Multiple Airlines Logo
6:05 a.m. - 6:45 p.m.YYT  St John's-SEA Seattle/Tacoma Intl
17h 10m3 stops Ottawa Toronto Pearson Intl Calgary
C$ 784Multiple Airlines
Thu, 15 Oct - Sat, 24 Oct
Multiple Airlines Logo
7:35 p.m. - 7:35 p.m.SEA  Seattle/Tacoma Intl-YYT St John's
19h 30m2 stops Calgary Toronto Pearson Intl
Multiple Airlines Logo
6:05 a.m. - 2:16 p.m.YYT  St John's-SEA Seattle/Tacoma Intl
12h 41m2 stops Ottawa Vancouver Intl
C$ 824Multiple Airlines
Sat, 10 Oct - Sat, 17 Oct
WestJet Logo
7:35 p.m. - 10:55 p.m.SEA  Seattle/Tacoma Intl-YYT St John's
22h 50m3 stops Calgary Regina Toronto Pearson Intl
WestJet Logo
3:00 p.m. - 9:40 a.m.YYT  St John's-SEA Seattle/Tacoma Intl
23h 10m3 stops Toronto Pearson Intl Winnipeg Calgary
C$ 877WestJet
Fri, 23 Oct - Fri, 30 Oct
Multiple Airlines Logo
7:35 p.m. - 10:55 p.m.SEA  Seattle/Tacoma Intl-YYT St John's
22h 50m2 stops Calgary Toronto Pearson Intl
Multiple Airlines Logo
6:00 a.m. - 4:26 p.m.YYT  St John's-SEA Seattle/Tacoma Intl
14h 56m2 stops Ottawa Vancouver Intl
C$ 887Multiple Airlines
Sat, 10 Oct - Sat, 17 Oct
Air Canada Logo
7:55 a.m. - 11:21 p.m.SEA  Seattle/Tacoma Intl-YYT St John's
10h 56m1 stop Toronto Pearson Intl
Air Canada Logo
5:45 a.m. - 2:22 p.m.YYT  St John's-SEA Seattle/Tacoma Intl
13h 07m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl
C$ 923Air Canada
Sat, 10 Oct - Sat, 17 Oct
Air Canada Logo
7:55 a.m. - 11:21 p.m.SEA  Seattle/Tacoma Intl-YYT St John's
10h 56m1 stop Toronto Pearson Intl
Air Canada Logo
1:30 p.m. - 9:34 p.m.YYT  St John's-SEA Seattle/Tacoma Intl
12h 34m1 stop Toronto Pearson Intl
C$ 930Air Canada
Mon, 12 Oct - Sun, 18 Oct
Multiple Airlines Logo
7:55 p.m. - 10:55 p.m.SEA  Seattle/Tacoma Intl-YYT St John's
22h 30m2 stops Vancouver Intl Toronto Pearson Intl
Multiple Airlines Logo
3:00 p.m. - 6:45 p.m.YYT  St John's-SEA Seattle/Tacoma Intl
32h 15m2 stops Toronto Pearson Intl Calgary
C$ 948Multiple Airlines
Fri, 23 Oct - Fri, 30 Oct
Air Canada Logo
5:50 a.m. - 12:33 a.m.SEA  Seattle/Tacoma Intl-YYT St John's
14h 13m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
5:00 a.m. - 8:59 p.m.YYT  St John's-SEA Seattle/Tacoma Intl
20h 29m1 stop Toronto Pearson Intl
C$ 957Air Canada
Booking Insights

Price, demand, and travel trends for Seattle to St. John's flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Seattle to St. John's with more confidence.

How much is a round-trip flight from Seattle to St. John's?

Round-trip flights from Seattle to St. John's start at C$ 669. Prices are below average for this route right now, with typical round-trip fares ranging from C$ 768 to C$ 1,251. The lowest price found in the past 5 days was C$ 669 on WestJet.

What's the cheapest day of the week to fly from Seattle to St. John's?

Saturday is the cheapest day of the week to fly from Seattle to St. John's and is 30% cheaper than the average day. Wednesday is the most expensive day with flight prices 159% higher than average. Based on deals found by KAYAK users in the last 12 months.

Find deals

Key details for Seattle to St. John's flights

Low season

January

Cheapest flight

C$ 263
Best time to beat the crowds (56% less expensive on average)
Most popular time to fly and prices are also 30% lower on average.
Flights from Seattle to St. John's

When to book flights from Seattle to St. John's

Are your dates flexible? Find out the best times to travel from Seattle to St. John's based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Seattle to St. John's flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • Which airports can I use when flying from Seattle to St. John's?

    Flights from Seattle to St. John's usually depart from Seattle/Tacoma Intl (SEA) and arrive at St John's (YYT).

  • Which airports do connecting flights from Seattle to St. John's pass through?

    Connecting flights from Seattle to St. John's most commonly pass through:

    • Toronto Pearson Intl (YYZ) – 69% of one-stop connections
    • Calgary (YYC) – 31% of one-stop connections
    Together, these airports account for 100% of one-stop bookings on this route.

  • Can I save money by using flexible dates for flights from Seattle to St. John's?

    On the Seattle to St. John's route, being flexible with your departure day can save you up to 73%. Saturday is the cheapest day at C$ 654 round-trip on average, while Wednesday is the most expensive at C$ 2,419 – a C$ 1,765 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • How long does a flight from Seattle to St. John's take?

    A direct flight from Seattle to St. John's takes 0h 00m, covering 8,102 km.

  • Do I need a passport to fly from Seattle to St. John's?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from Seattle to St. John's changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about C$ 669 to C$ 2,132. That means the highest observed fare was about 3x higher than the lowest one.

  • How are flight prices from Seattle to St. John's looking right now?

    One-way fares from Seattle to St. John's are currently lower than usual. Average one-way flight prices are about C$ 354, which is 35% below the typical average for this route.

  • How much time can I save by choosing a different layover airport when travelling from Seattle to St. John's?

    Flying via Toronto Pearson Intl (YYZ) gives the shortest average 1-stop total travel time at 11h 23m, compared with 15h 51m via Calgary (YYC).

  • What is the time difference between Seattle and St. John's?

    St. John's is 4 hours ahead of Seattle (Newfoundland Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at St John's Airport (YYT)?

    St John's Airport (YYT) hosts 5 major car rental companies, with daily rates starting from around C$ 21 for economy cars. Top options include:
    • Hertz
    • Budget
    • Avis
    • Thrifty
    • Alamo

  • How much should I expect to pay for a Seattle to St. John's flight?

    Round-trip flights from Seattle to St. John's range from C$ 768 to C$ 1,251, with an average of C$ 932 over the past 12 months. Anything below C$ 768 counts as a good deal.

Your guide to booking Seattle to St. John's flights

Get tips on when to book, when to fly, and what to know before your trip.

More options for your flight from Seattle to St. John's

Complete your trip to St. John's with a hotel stay or car rental

Car rentals in St. John's
Hotels in St. John's
Vacations in St. John's